TY  - BOOK
AU  - Sehgal J. L.
TI  - Introductory pedology (Soil genesis, Survey & Classification)
SN  - 812723169X
U1  - 631.4  S 41 I 
PY  - 2017///
CY  - New Delhi
PB  - Kalyani Publishers 
KW  - Soil Science
ER  -